The Polar CS Series wireless speed sensor measures cycling speed and distance via a magnet rotating on the front or rear wheel. Then, once youve completed your workout, you can download the information to one of Polars CS Series cycling computers for further analysis or goal development.

Compact speed sensor for Polar CS Series cycling computers

Lets you monitor speed and distance during high-spin workouts

Measures current, average, and maximum speeds, plus distance

Compatible with CS100, CS200, and CS300 models; 2-year warranty

Wearlink + Hybrid

WearLink + Hybrid transmitter picks up your hearts signals and transfer that data into a compatible Polar training computer. The soft textile chest strap seamlessly adapts to your body shape, bringing full freedom of movement to your training. With its hook mechanism, the transmitter is just as quick to put on as it is to take off.

Uses both 5kHz and 2.4gHz W.I.N.D. transmission, ensuring that your heart rate signal is found at all times

Record and shows heart rate information also while swimming

Machine washable textile strap

User replaceable battery

Size: M-XXL

DataLink

Easy data transfer - You can transfer data wirelessly between the training computer and polarpersonaltrainer.com